Naming
Formula
Periodic Table
Atomic Structure
Hodge Podge
100
What is the name of the alcohol derived from a 3 carbon alkane?
propane
100
What is the difference between a molecular formula and an empirical formula?
The molecular formula is the actual number of atoms of each element. The empirical formula just gives the smallest ratio of atoms of each element in the compound.
100
Rubidium is a __________ and oxygen is a ___________.
Rubidium is a metal and oxygen is a nonmetal.
100
Both ____________ and _____________ reside in the nucleus and ______________ are found in the region surrounding the nucleus.
Both protons and neutrons reside in the nucleus and electrons are found in the region surrounding the nucleus.
100
calculate the average mass of potassium if the abundance and atomic masses making up its naturally occurring samples are: Potassium-39 93.12% 38.964 and Potassium-41 6.88% 40.962?
39.101 amu
200
Give the prefixes used to indicate the number of carbon atoms in an organic molecule.
1- meth 2- eth 3- prop 4- but 5- pent 6- hex 7- hept 8- oct 9- non 10- dec
200
What do we call the formulas that SHOW which atoms are bonded to each other in a molecule?
Structural formula.
200
This family is found in nature as isolated atoms.
noble gases.
200
All atoms of a given isotope have the same number of ______________and ______________. However isotopes will have different number of ______________.
All atoms of a given isotope have the same number of protons and electrons. However isotopes will have different number of neutrons.
200
What are the four basic forces?
1. Gravitational 2. Electromagnetic 3. Strong Nuclear 4.Weak nuclear
300
Give the formula for magnesium sulfate
MgSO4
300
What is the general formula for an alkane?
C(n)H(2n+2)
300
How are the elements in the periodic table arranged?
by increasing atomic number.
300
A nulcide of Potassium- 40 has _______ protons and electrons and ________ neutrons.
A nulcide of Potassium- 40 has 19 protons and electrons and 21 neutrons.
300
Give the complete chemical symbol for a nuclide that contains 85 protons, 85 electrons and 132 neutrons.
217 At 85
400
What is the formula for bromic acid?
HBrO3
400
The formula for bromate is BrO3-. What is the formula and charge for Bromite, hypobromite and perbromate?
Bromite BrO2- Hypobromite BrO- Perbromate BrO4-
400
What is the name of the family in the periodic table that has all nonmetals and one metalloid?
Halogens
400
Mass number is the sum of what two subatomic particles?
protons and nuetrons
400
What law states the elemental composition of a pure compound is always the same?
the law of constant compostion
500
What is the name of the compound CrPO4
Chromium III Phosphate
500
What kind of formula do we use to describe ionic compounds?
Empirical formula
500
Why are the atomic masses listed on the periodic table not whole numbers?
They are a weighted average of all of the naturally occurring isotopes of the element.
500
What do we call a single atom of a specific isotope.
nuclide
500
2 A is equal to ___________ pm and 50 pm is equal to _________ nm
2 A is equal to 200 pm and 50 pm is equal to .05 nm
M
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n
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